BARTLETT, R. Do we live in a multiverse, and are the extra universes timelike?. IPI Letters, [S. l.], v. 3, n. 1, p. C3-C4, 2025. DOI: 10.59973/ipil.166. Disponível em: https://ipipublishing.org/index.php/ipil/article/view/166. Acesso em: 9 mar. 2025.